Docker启动优化：去掉CMD盲等sleep，改由healthcheck+depends_on保证依赖就绪

2026-09-10 22:18:47 +00:00 · 2026-09-10 10:16:03 +08:00 · 2026-09-10 10:16:03 +08:00 · 5f38d4ad2a
commit 5f38d4ad2a
parent ad40bfa126
10 changed files with 103 additions and 16 deletions
--- a/docker-compose-cloud.yml
+++ b/docker-compose-cloud.yml
@ -19,6 +19,12 @@ services:
      --default-authentication-plugin=caching_sha2_password
    ports:
      - 13306:3306
+    healthcheck:
+      test: ["CMD-SHELL", "mysqladmin ping -h127.0.0.1 -uroot -proot --silent"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
+      start_period: 60s
    networks:
      - jeecg-boot

@ -29,6 +35,11 @@ services:
    restart: always
    hostname: jeecg-boot-redis
    container_name: jeecg-boot-redis
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
    networks:
      - jeecg-boot

@ -39,6 +50,10 @@ services:
       - 9080:9080
     container_name: jeecg-boot-xxljob
     hostname: jeecg-boot-xxljob
+     # xxl_job调度表存在mysql中（db/tables_xxl_job.sql），需等mysql就绪
+     depends_on:
+       jeecg-boot-mysql:
+         condition: service_healthy
     networks:
       - jeecg-boot
       
@ -50,15 +65,26 @@ services:
      - 8848:8848
      - 18080:18080
    container_name: jeecg-boot-nacos
+    # nacos配置库存在外部mysql中（db/tables_nacos.sql），需等mysql就绪
    depends_on:
-      - jeecg-boot-mysql
+      jeecg-boot-mysql:
+        condition: service_healthy
    hostname: jeecg-boot-nacos
+    # 镜像内无curl，用sh内建/dev/tcp探测8848端口
+    healthcheck:
+      test: ["CMD-SHELL", "(echo > /dev/tcp/127.0.0.1/8848) 2>/dev/null"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
+      start_period: 60s
    networks:
      - jeecg-boot

  jeecg-boot-system:
    depends_on:
-      - jeecg-boot-nacos
+      # 等nacos就绪后再启动应用（应用Dockerfile已去掉sleep，直接启动）
+      jeecg-boot-nacos:
+        condition: service_healthy
    build:
      context: ./jeecg-boot/jeecg-server-cloud/jeecg-system-cloud-start
    container_name: jeecg-system-cloud-start
@ -72,7 +98,9 @@ services:

  jeecg-boot-demo:
    depends_on:
-      - jeecg-boot-nacos
+      # 等nacos就绪后再启动应用（应用Dockerfile已去掉sleep，直接启动）
+      jeecg-boot-nacos:
+        condition: service_healthy
    build:
      context: ./jeecg-boot/jeecg-server-cloud/jeecg-demo-cloud-start
    container_name: jeecg-demo-start
--- a/docker-compose.yml
+++ b/docker-compose.yml
@ -19,6 +19,12 @@ services:
      --default-authentication-plugin=caching_sha2_password
    ports:
      - 13306:3306
+    healthcheck:
+      test: ["CMD-SHELL", "mysqladmin ping -h127.0.0.1 -uroot -proot --silent"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
+      start_period: 60s
    networks:
      - jeecg-boot

@ -29,6 +35,11 @@ services:
    restart: always
    hostname: jeecg-boot-redis
    container_name: jeecg-boot-redis
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
    networks:
      - jeecg-boot

@ -37,8 +48,11 @@ services:
      context: ./jeecg-boot/jeecg-module-system/jeecg-system-start
    restart: on-failure
    depends_on:
-      - jeecg-boot-mysql
-      - jeecg-boot-redis
+      # 等依赖服务healthcheck通过后再启动应用（应用Dockerfile已去掉sleep，直接启动）
+      jeecg-boot-mysql:
+        condition: service_healthy
+      jeecg-boot-redis:
+        condition: service_healthy
    container_name: jeecg-boot-system
    image: jeecg-boot-system
    hostname: jeecg-boot-system
--- a/jeecg-boot/docker-compose.yml
+++ b/jeecg-boot/docker-compose.yml
@ -19,6 +19,12 @@ services:
      --default-authentication-plugin=caching_sha2_password
    ports:
      - 13306:3306
+    healthcheck:
+      test: ["CMD-SHELL", "mysqladmin ping -h127.0.0.1 -uroot -proot --silent"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
+      start_period: 60s
    networks:
      - jeecg-boot

@ -29,6 +35,11 @@ services:
    restart: always
    hostname: jeecg-boot-redis
    container_name: jeecg-boot-redis
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
    networks:
      - jeecg-boot

@ -65,8 +76,11 @@ services:
    restart: on-failure
    mac_address: 02:42:ac:11:00:02
    depends_on:
-      - jeecg-boot-mysql
-      - jeecg-boot-redis
+      # 等依赖服务healthcheck通过后再启动应用（应用Dockerfile已去掉sleep，直接启动）
+      jeecg-boot-mysql:
+        condition: service_healthy
+      jeecg-boot-redis:
+        condition: service_healthy
    container_name: jeecg-boot-system
    image: jeecg-boot-system
    hostname: jeecg-boot-system
--- a/jeecg-boot/jeecg-module-system/jeecg-system-start/Dockerfile
+++ b/jeecg-boot/jeecg-module-system/jeecg-system-start/Dockerfile
@ -25,5 +25,5 @@ ADD ./target/jeecg-system-start-3.9.5.jar ./

 RUN mkdir -p /jeecg-boot/config

-# 【PR#9345】编码已通过JAVA_TOOL_OPTIONS设置，CMD改用&&和exec
-CMD sleep 60 && exec java -Djava.security.egd=file:/dev/./urandom -jar jeecg-system-start-3.9.5.jar
+# 【PR#9345】编码已通过JAVA_TOOL_OPTIONS设置；去掉sleep 60，容器启动后立即拉起应用（依赖库就绪由docker-compose的healthcheck+depends_on: service_healthy保证）
+CMD exec java -Djava.security.egd=file:/dev/./urandom -jar jeecg-system-start-3.9.5.jar
--- a/jeecg-boot/jeecg-server-cloud/docker-compose.yml
+++ b/jeecg-boot/jeecg-server-cloud/docker-compose.yml
@ -18,6 +18,12 @@ services:
      --default-authentication-plugin=caching_sha2_password
    ports:
      - 13306:3306
+    healthcheck:
+      test: ["CMD-SHELL", "mysqladmin ping -h127.0.0.1 -uroot -proot --silent"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
+      start_period: 60s
    networks:
      - jeecg-boot

@ -28,6 +34,11 @@ services:
    restart: always
    container_name: jeecg-boot-redis
    hostname: jeecg-boot-redis
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
    networks:
      - jeecg-boot

@ -66,12 +77,25 @@ services:
      - 18080:18080
    container_name: jeecg-boot-nacos
    hostname: jeecg-boot-nacos
+    # nacos配置库存在外部mysql中（db/tables_nacos.sql），需等mysql就绪
+    depends_on:
+      jeecg-boot-mysql:
+        condition: service_healthy
+    # 镜像内无curl，用sh内建/dev/tcp探测8848端口
+    healthcheck:
+      test: ["CMD-SHELL", "(echo > /dev/tcp/127.0.0.1/8848) 2>/dev/null"]
+      interval: 10s
+      timeout: 5s
+      retries: 12
+      start_period: 60s
    networks:
      - jeecg-boot

  jeecg-boot-system:
    depends_on:
-      - jeecg-boot-nacos
+      # 等nacos就绪后再启动应用（应用Dockerfile已去掉sleep，直接启动）
+      jeecg-boot-nacos:
+        condition: service_healthy
    build:
      context: ./jeecg-system-cloud-start
    container_name: jeecg-system-start
@ -84,7 +108,9 @@ services:

  jeecg-boot-demo:
    depends_on:
-      - jeecg-boot-nacos
+      # 等nacos就绪后再启动应用（应用Dockerfile已去掉sleep，直接启动）
+      jeecg-boot-nacos:
+        condition: service_healthy
    build:
      context: ./jeecg-demo-cloud-start
    container_name: jeecg-demo-start
--- a/jeecg-boot/jeecg-server-cloud/jeecg-cloud-gateway/Dockerfile
+++ b/jeecg-boot/jeecg-server-cloud/jeecg-cloud-gateway/Dockerfile
@ -22,4 +22,5 @@ EXPOSE 9999

 ADD ./target/jeecg-cloud-gateway-3.9.5.jar ./

-CMD sleep 100 && exec java -Djava.security.egd=file:/dev/./urandom -jar jeecg-cloud-gateway-3.9.5.jar
+# 去掉sleep 100，直接启动（docker-compose下由command覆盖为轮询nacos等system注册后再启动）
+CMD exec java -Djava.security.egd=file:/dev/./urandom -jar jeecg-cloud-gateway-3.9.5.jar
--- a/jeecg-boot/jeecg-server-cloud/jeecg-cloud-nacos/Dockerfile
+++ b/jeecg-boot/jeecg-server-cloud/jeecg-cloud-nacos/Dockerfile
@ -22,4 +22,5 @@ EXPOSE 8848 18080

 ADD ./target/jeecg-cloud-nacos-3.9.5.jar ./

-CMD sleep 30 && exec java -Djava.security.egd=file:/dev/./urandom -jar jeecg-cloud-nacos-3.9.5.jar
+# 去掉sleep 30，容器启动后立即拉起应用（MySQL就绪由docker-compose的healthcheck+depends_on: service_healthy保证）
+CMD exec java -Djava.security.egd=file:/dev/./urandom -jar jeecg-cloud-nacos-3.9.5.jar
--- a/jeecg-boot/jeecg-server-cloud/jeecg-demo-cloud-start/Dockerfile
+++ b/jeecg-boot/jeecg-server-cloud/jeecg-demo-cloud-start/Dockerfile
@ -22,4 +22,5 @@ EXPOSE 7002

 ADD ./target/jeecg-demo-cloud-start-3.9.5.jar ./

-CMD sleep 60 && exec java -Djava.security.egd=file:/dev/./urandom -jar jeecg-demo-cloud-start-3.9.5.jar
+# 去掉sleep 60，容器启动后立即拉起应用（Nacos就绪由docker-compose的healthcheck+depends_on: service_healthy保证）
+CMD exec java -Djava.security.egd=file:/dev/./urandom -jar jeecg-demo-cloud-start-3.9.5.jar
--- a/jeecg-boot/jeecg-server-cloud/jeecg-system-cloud-start/Dockerfile
+++ b/jeecg-boot/jeecg-server-cloud/jeecg-system-cloud-start/Dockerfile
@ -22,4 +22,5 @@ EXPOSE 7001

 ADD ./target/jeecg-system-cloud-start-3.9.5.jar ./

-CMD sleep 60 && exec java -Djava.security.egd=file:/dev/./urandom -jar jeecg-system-cloud-start-3.9.5.jar
+# 去掉sleep 60，容器启动后立即拉起应用（Nacos就绪由docker-compose的healthcheck+depends_on: service_healthy保证）
+CMD exec java -Djava.security.egd=file:/dev/./urandom -jar jeecg-system-cloud-start-3.9.5.jar
--- a/jeecg-boot/jeecg-server-cloud/jeecg-visual/jeecg-cloud-sentinel/Dockerfile
+++ b/jeecg-boot/jeecg-server-cloud/jeecg-visual/jeecg-cloud-sentinel/Dockerfile
@ -22,4 +22,5 @@ EXPOSE 8848

 ADD ./target/jeecg-cloud-sentinel-3.9.5.jar ./

-CMD sleep 5 && exec java -Djava.security.egd=file:/dev/./urandom -jar jeecg-cloud-sentinel-3.9.5.jar
+# 去掉sleep 5，直接启动（依赖就绪由docker-compose的healthcheck+depends_on保证）
+CMD exec java -Djava.security.egd=file:/dev/./urandom -jar jeecg-cloud-sentinel-3.9.5.jar